1042509313 has 8 divisors (see below), whose sum is σ = 1086220800. Its totient is φ = 999315408.

The previous prime is 1042509287. The next prime is 1042509331. The reversal of 1042509313 is 3139052401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1042509313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042509353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125281 + ... + 133342.

It is an arithmetic number, because the mean of its divisors is an integer number (135777600).

Almost surely, 2^1042509313 is an apocalyptic number.

It is an amenable number.

1042509313 is a deficient number, since it is larger than the sum of its proper divisors (43711487).

1042509313 is a wasteful number, since it uses less digits than its factorization.

1042509313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258791.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1042509313 is about 32287.9128003035. The cubic root of 1042509313 is about 1013.9736000010.

The spelling of 1042509313 in words is "one billion, forty-two million, five hundred nine thousand, three hundred thirteen".